Twin-Cut Cement Board Countersunk Exterior Silver Screws - 4.2 x 32
Pack Quantity: 200Specifically designed for fixing cement board to timber and thin sheet metal (max. 0.6mm). Self countersinking head for a secure and flush finish. Twin-cut point with a hi-low thread. Exterior grade coating for superior corrosion resistance in damp or corrosive environments, when compared to standard fasteners.